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Posted to common-issues@hadoop.apache.org by "Chris Nauroth (JIRA)" <ji...@apache.org> on 2016/05/13 22:53:12 UTC
[jira] [Created] (HADOOP-13145) In DistCp, prevent unnecessary
getFileStatus call when not preserving metadata.
Chris Nauroth created HADOOP-13145:
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Summary: In DistCp, prevent unnecessary getFileStatus call when not preserving metadata.
Key: HADOOP-13145
URL: https://issues.apache.org/jira/browse/HADOOP-13145
Project: Hadoop Common
Issue Type: Improvement
Components: tools/distcp
Reporter: Chris Nauroth
Assignee: Chris Nauroth
After DistCp copies a file, it calls {{getFileStatus}} to get the {{FileStatus}} from the destination so that it can compare to the source and update metadata if necessary. If the DistCp command was run without the option to preserve metadata attributes, then this additional {{getFileStatus}} call is wasteful.
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